org.reploop.plugin.maven.Json2Mojo Maven / Gradle / Ivy

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package org.reploop.plugin.maven;

import java.util.EnumSet;
import java.util.List;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.reploop.translator.json.driver.Json2Conf;
import org.reploop.translator.json.driver.Json2Driver;
import org.reploop.translator.json.support.Target;

public abstract class Json2Mojo extends AbstractMojo {

    private final EnumSet targets;
    /**
     * Maven Project that runs this plugin.
     */
    @Parameter(defaultValue = "${project}", readonly = true, required = true)
    protected MavenProject project;
    /**
     * Where the source code should go
     */
    @Parameter(defaultValue = "${project.build.output}")
    protected String outputDirectory;
    /**
     * Process all json file in the input directory.
     */
    @Parameter
    protected List inputDirectories;
    /**
     * An uri to specify where the JSON is. It's schema should be file, http or https, we can handle
     * each of them differently.
     */
    @Parameter
    protected List uris;
    /**
     * Try to guess a reasonable root name from the filename or the API uri given, otherwise $ is
     * used by default.
     */
    @Parameter(defaultValue = "true")
    protected Boolean enableRootGuess = true;
    /**
     * Fail if any error occurred. Default true.
     */
    @Parameter(defaultValue = "true")
    protected Boolean enableFailFast = true;
    /**
     * The top package or namespace of the source. Add package line to the source. Default is
     * empty.
     */
    @Parameter
    protected String namespace;
    private volatile Json2Driver driver;

    public Json2Mojo(EnumSet targets) {
        this.targets = targets;
    }

    protected Json2Driver getDriver() {
        if (null == driver) {
            synchronized (Json2Mojo.class) {
                if (null == driver) {
                    Json2Conf conf = new Json2Conf()
                        .uris(uris)
                        .targets(targets)
                        .inputDirectories(inputDirectories)
                        .outputDirectory(outputDirectory)
                        .namespace(namespace)
                        .enableRootGuess(enableRootGuess)
                        .enableFailFast(enableFailFast);
                    driver = new Json2Driver(conf);
                }
            }
        }
        return driver;
    }

    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {
        getDriver().run();
    }
}